Microphone boom for a communications headset



FIG. 1 is a front perspective view of a microphone boom for a communications headset showing our new design, the boom is drawn broken away to show indeterminate length;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a right side view thereof, the left side view is a mirror image.

The broken lines form no part of the claimed design. 

The ornamental design for a microphone boom for a communications headset, as shown and described. 